1 files changed, 0 insertions, 101 deletions
diff --git a/lib/concurrent/futures/_compat.py b/lib/concurrent/futures/_compat.py
deleted file mode 100644
index 11462326b..000000000
--- a/lib/concurrent/futures/_compat.py
+++ /dev/null
@@ -1,101 +0,0 @@
-from keyword import iskeyword as _iskeyword
-from operator import itemgetter as _itemgetter
-import sys as _sys
-
-
-def namedtuple(typename, field_names):
-    """Returns a new subclass of tuple with named fields.
-
-    >>> Point = namedtuple('Point', 'x y')
-    >>> Point.__doc__                   # docstring for the new class
-    'Point(x, y)'
-    >>> p = Point(11, y=22)             # instantiate with positional args or keywords
-    >>> p[0] + p[1]                     # indexable like a plain tuple
-    33
-    >>> x, y = p                        # unpack like a regular tuple
-    >>> x, y
-    (11, 22)
-    >>> p.x + p.y                       # fields also accessable by name
-    33
-    >>> d = p._asdict()                 # convert to a dictionary
-    >>> d['x']
-    11
-    >>> Point(**d)                      # convert from a dictionary
-    Point(x=11, y=22)
-    >>> p._replace(x=100)               # _replace() is like str.replace() but targets named fields
-    Point(x=100, y=22)
-
-    """
-
-    # Parse and validate the field names.  Validation serves two purposes,
-    # generating informative error messages and preventing template injection attacks.
-    if isinstance(field_names, basestring):
-        field_names = field_names.replace(',', ' ').split() # names separated by whitespace and/or commas
-    field_names = tuple(map(str, field_names))
-    for name in (typename,) + field_names:
-        if not all(c.isalnum() or c=='_' for c in name):
-            raise ValueError('Type names and field names can only contain alphanumeric characters and underscores: %r' % name)
-        if _iskeyword(name):
-            raise ValueError('Type names and field names cannot be a keyword: %r' % name)
-        if name[0].isdigit():
-            raise ValueError('Type names and field names cannot start with a number: %r' % name)
-    seen_names = set()
-    for name in field_names:
-        if name.startswith('_'):
-            raise ValueError('Field names cannot start with an underscore: %r' % name)
-        if name in seen_names:
-            raise ValueError('Encountered duplicate field name: %r' % name)
-        seen_names.add(name)
-
-    # Create and fill-in the class template
-    numfields = len(field_names)
-    argtxt = repr(field_names).replace("'", "")[1:-1]   # tuple repr without parens or quotes
-    reprtxt = ', '.join('%s=%%r' % name for name in field_names)
-    dicttxt = ', '.join('%r: t[%d]' % (name, pos) for pos, name in enumerate(field_names))
-    template = '''class %(typename)s(tuple):
-        '%(typename)s(%(argtxt)s)' \n
-        __slots__ = () \n
-        _fields = %(field_names)r \n
-        def __new__(_cls, %(argtxt)s):
-            return _tuple.__new__(_cls, (%(argtxt)s)) \n
-        @classmethod
-        def _make(cls, iterable, new=tuple.__new__, len=len):
-            'Make a new %(typename)s object from a sequence or iterable'
-            result = new(cls, iterable)
-            if len(result) != %(numfields)d:
-                raise TypeError('Expected %(numfields)d arguments, got %%d' %% len(result))
-            return result \n
-        def __repr__(self):
-            return '%(typename)s(%(reprtxt)s)' %% self \n
-        def _asdict(t):
-            'Return a new dict which maps field names to their values'
-            return {%(dicttxt)s} \n
-        def _replace(_self, **kwds):
-            'Return a new %(typename)s object replacing specified fields with new values'
-            result = _self._make(map(kwds.pop, %(field_names)r, _self))
-            if kwds:
-                raise ValueError('Got unexpected field names: %%r' %% kwds.keys())
-            return result \n
-        def __getnewargs__(self):
-            return tuple(self) \n\n''' % locals()
-    for i, name in enumerate(field_names):
-        template += '        %s = _property(_itemgetter(%d))\n' % (name, i)
-
-    # Execute the template string in a temporary namespace and
-    # support tracing utilities by setting a value for frame.f_globals['__name__']
-    namespace = dict(_itemgetter=_itemgetter, __name__='namedtuple_%s' % typename,
-                     _property=property, _tuple=tuple)
-    try:
-        exec(template, namespace)
-    except SyntaxError:
-        e = _sys.exc_info()[1]
-        raise SyntaxError(e.message + ':\n' + template)
-    result = namespace[typename]
-
-    # For pickling to work, the __module__ variable needs to be set to the frame
-    # where the named tuple is created.  Bypass this step in enviroments where
-    # sys._getframe is not defined (Jython for example).
-    if hasattr(_sys, '_getframe'):
-        result.__module__ = _sys._getframe(1).f_globals.get('__name__', '__main__')
-
-    return result